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boyakko [2]
2 years ago
10

PLEASE HELP FAST! my problem is in the photo.

Mathematics
1 answer:
Xelga [282]2 years ago
7 0
[c] 70°

40+2x=180
2x=140
x=70

i use 2x since the angle measures of D and C are equivalent since it is an isosceles
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